Saturday, December 15, 2012

Ultrathin V2O5 nanosheet cathodes: realizing ultrafast reversible lithium storage

Qingyu Yan






Nanoscale , 2013, Advance Article

DOI: 10.1039/C2NR33422D, Communication

Xianhong Rui, Ziyang Lu, Hong Yu, Dan Yang, Huey Hoon Hng, Tuti Mariana Lim, Qingyu Yan

Few-layer V2 O5 nanosheets with a thickness of 2.1-3.8 nm have been successfully synthesized in this work via a simple and scalable liquid exfoliation technique. The unique nanostructure allows the high-rate transportation of lithium ions and electrons due to very short diffusion paths provided by this ultrathin thickness, resulting in Li-ion cathodes with remarkable energy and power densities.

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